Floodplain Information

What is a floodplain?

A floodplain is the area adjacent to a river, creek, lake, reservoir, stream or other waterway that is subject to flooding when there is a significant run-off event.

Visit our Frequently Asked Questions page for more information on specific floodplain information.

Floodplain Development Permit Application

Flood Control Ordinance

Resources and Links

• 
  Flood Resilience for Homeowners, Renters & Businesses
• FEMA Map Center
• Idaho Dept of Water Resources – Interactive Maps
• Idaho Dept of Water Resources – Interactive Flood Hazard Map
• Idaho Land Surveyors  
• U.S. Bureau of Reclamation – Cascade Dam
• U.S. Bureau of Reclamation  –  water flow monitoring

Most Homeowner’s insurance does NOT cover flood damage. Go to www.floodsmart.gov and fill out the red form “How can I get covered?” to rate your flood risk, estimate premiums, and find an agent